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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
2 7 0
6 9 5 ×
5 × 0 =
0
5 × 70 =
350
5 × 200 =
1000
90 × 0 =
0
90 × 70 =
6300
90 × 200 =
18000
600 × 0 =
0
600 × 70 =
42000
600 × 200 =
+ 120000
187650